var swfUploadHandlers = {

	fileDialogStart: function() {
		$('#tip_filename').val('');
		this.cancelUpload();
	},
	
	fileQueued: function(file) {
		try {
			$('#tip_filename').val(file.name);
		} catch (e) {
		}
	},
	
	fileQueueError: function(file, errorCode, message)  {
		try {
			// Handle this error separately because we don't want to create a FileProgress element for it.
			switch (errorCode) {
			case SWFUpload.QUEUE_ERROR.QUEUE_LIMIT_EXCEEDED:
				alert("You have attempted to queue too many files.\n" + (message === 0 ? "You have reached the upload limit." : "You may select " + (message > 1 ? "up to " + message + " files." : "one file.")));
				return;
			case SWFUpload.QUEUE_ERROR.FILE_EXCEEDS_SIZE_LIMIT:
				alert("The file you selected is too big.");
				this.debug("Error Code: File too big, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
				return;
			case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE:
				alert("The file you selected is empty.  Please select another file.");
				this.debug("Error Code: Zero byte file, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
				return;
			case SWFUpload.QUEUE_ERROR.INVALID_FILETYPE:
				alert("The file you choose is not an allowed file type.");
				this.debug("Error Code: Invalid File Type, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
				return;
			default:
				alert("An error occurred in the upload. Try again later.");
				this.debug("Error Code: " + errorCode + ", File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
				return;
			}
		} catch (e) {
		}
	},
	
	uploadProgress: function(file, bytesLoaded, bytesTotal) {
	
		try {
			var percent = Math.ceil((bytesLoaded / bytesTotal) * 100);
	
			file.id = "singlefile";
			var progress = new FileProgress(file, this.customSettings.progress_target);
			progress.setProgress(percent);
			progress.setStatus("Uploading...");
		} catch (e) {
		}
	},
	
	uploadError: function(file, errorCode, message) {
		try {
			
			if (errorCode === SWFUpload.UPLOAD_ERROR.FILE_CANCELLED) {
				// Don't show cancelled error boxes
				return;
			}
			
			$('#tip_filename').val('');
			
			// Handle this error separately because we don't want to create a FileProgress element for it.
			switch (errorCode) {
			case SWFUpload.UPLOAD_ERROR.MISSING_UPLOAD_URL:
				alert("There was a configuration error.  You will not be able to upload a file at this time.");
				this.debug("Error Code: No backend file, File name: " + file.name + ", Message: " + message);
				return;
			case SWFUpload.UPLOAD_ERROR.UPLOAD_LIMIT_EXCEEDED:
				alert("You may only upload 1 file.");
				this.debug("Error Code: Upload Limit Exceeded, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
				return;
			case SWFUpload.UPLOAD_ERROR.FILE_CANCELLED:
			case SWFUpload.UPLOAD_ERROR.UPLOAD_STOPPED:
				break;
			default:
				alert("An error occurred in the upload. Try again later.");
				this.debug("Error Code: " + errorCode + ", File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
				return;
			}
	
			file.id = "singlefile";	// This makes it so FileProgress only makes a single UI element, instead of one for each file
			var progress = new FileProgress(file, this.customSettings.progress_target);
			progress.setError();
	
			switch (errorCode) {
			case SWFUpload.UPLOAD_ERROR.HTTP_ERROR:
				progress.setStatus("Upload Error");
				this.debug("Error Code: HTTP Error, File name: " + file.name + ", Message: " + message);
				break;
			case SWFUpload.UPLOAD_ERROR.UPLOAD_FAILED:
				progress.setStatus("Upload Failed.");
				this.debug("Error Code: Upload Failed, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
				break;
			case SWFUpload.UPLOAD_ERROR.IO_ERROR:
				progress.setStatus("Server (IO) Error");
				this.debug("Error Code: IO Error, File name: " + file.name + ", Message: " + message);
				break;
			case SWFUpload.UPLOAD_ERROR.SECURITY_ERROR:
				progress.setStatus("Security Error");
				this.debug("Error Code: Security Error, File name: " + file.name + ", Message: " + message);
				break;
			case SWFUpload.UPLOAD_ERROR.FILE_CANCELLED:
				progress.setStatus("Upload Cancelled");
				this.debug("Error Code: Upload Cancelled, File name: " + file.name + ", Message: " + message);
				break;
			case SWFUpload.UPLOAD_ERROR.UPLOAD_STOPPED:
				progress.setStatus("Upload Stopped");
				this.debug("Error Code: Upload Stopped, File name: " + file.name + ", Message: " + message);
				break;
			}
		} catch (ex) {
		}
	},
	
	uploadSuccess: function(file, serverData) {
		try {
			file.id = "singlefile";	// This makes it so FileProgress only makes a single UI element, instead of one for each file
			var progress = new FileProgress(file, this.customSettings.progress_target);
			progress.setComplete();
			progress.setStatus("Complete.");
			
			if (serverData === " ") {
				this.customSettings.upload_successful = false;
			} else {
				this.customSettings.upload_successful = true;
				$('#tip_id').val(serverData);
			}
			
		} catch (e) {
		}
	},
	
	uploadComplete: function(file) {
		try {
			if (this.customSettings.upload_successful) {
				this.setButtonDisabled(true);
				$('#upload_form').submit();
			} else {
				file.id = "singlefile";	// This makes it so FileProgress only makes a single UI element, instead of one for each file
				var progress = new FileProgress(file, this.customSettings.progress_target);
				progress.setError();
				progress.setStatus("File rejected");
				
				$('#tip_filename').val('');
	
				alert("There was a problem with the upload.\nThe server did not accept it.");
			}
		} catch (e) {
		}
	}
	
	
};